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Inventor

David C. Riggs

Inventor
Coppell, TX, US

Overview

12→
Patents
1999–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling40%
F16LPipes36%
Y10TTechnical subjects covered by former us classification8%
B63BShips or other waterborne vessels4%
F03GSpring, weight, inertia or like motors4%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
PatentTitleYear
10,598,305Flexible pipe joint202010,480,258Sealed pipe joint201910,301,889Dynamic riser mechanical connector20199,828,812'Sealed pipe joint'20179,435,463'Sealed gimbal for ocean thermal energy conversion cold water pipe'20168,708,053'Riser installation from offshore floating production unit'20148,366,352'System usable with a pipe laying vessel'20137,744,312'Offshore pipe string system and method'20107,651,137'Insulated pipe joint'20107,472,755'Method for inspection and repair of a flexible joint'20097,373,986'Riser connector'20085,951,061'Elastomeric subsea flex joint and swivel for offshore risers'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to CONTINENTAL EMSCO CO (1)· patent assignee history
1999–2020Based in Coppell, TX, US· patent location history
2008–2019Patents assigned to SINGLE BUOY MOORINGS (7)· patent assignee history
2009–2013Patents assigned to RIGGS DAVID C (2)· patent assignee history
2013–2014Patents assigned to POLLACK JACK (2)· patent assignee history
2019Patents assigned to GMC LTD (1)· patent assignee history
2019Based in Aberdeen, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SINGLE BUOY MOORINGS72008–2019
POLLACK JACK22013–2014
RIGGS DAVID Cself22009–2013
CONTINENTAL EMSCO CO11999
GMC LTD12019
Locations
LocationPatentsSpan
Coppell, Texas, US111999–2020
Aberdeen, GB12019